diff --git a/kendo-ui/kendo-ui.d.ts b/kendo-ui/kendo-ui.d.ts
index 89f8d30c8..c11ced16b 100644
--- a/kendo-ui/kendo-ui.d.ts
+++ b/kendo-ui/kendo-ui.d.ts
@@ -932,6 +932,7 @@ declare module kendo.data {
     interface DataSourceSchemaModel {
         id?: string;
         fields?: any;
+        [index: string]: any;
     }
 
     interface DataSourceSchemaModelWithFieldsArray extends DataSourceSchemaModel {